// insufficient privileges (error condition 3 (6.2.3))
return errorStanzaGenerator.generateInsufficientPrivilegesErrorStanza(sender, serverJID, stanza);
}
String nodeName = extractNodeName(stanza);
LeafNode node = root.find(nodeName);
if (node == null) {
// no such node (error condition 4 (6.2.3))
return errorStanzaGenerator.generateNoNodeErrorStanza(sender, serverJID, stanza);
}